Phrases & Expressions

A group of electrodes arranged in a specific pattern for medical or scientific use.

• The electrode array captured detailed data.
• They implanted an electrode array in the brain.

The ability of an aircraft to maintain a safe altitude after one engine fails during extended-range operations.

• Engine out cruise capability is crucial for ETOPS.
• The aircraft demonstrated excellent engine out cruise performance.

A legal term meaning applicable to or binding on all parties.

• This is an erga omnes obligation.
• The court's decision had erga omnes effect.

To make radio or voice contact with someone, especially in aviation or military work.

• After putting on their oxygen masks, the pilots must establish comms immediately.
• The ground team tried for an hour to establish comms with the ship.

Air traffic control phrase telling a pilot the time at which a new clearance will be given.

• Hold at the fix, expect further clearance at 1430.
• The controller told us to expect further clearance in twenty minutes.

To climb to a higher level faster than normal, usually when told to by ATC.

• ATC asked us to expedite climb to FL300 because of traffic.
• We had to expedite climb to stay clear of the storm.

An Air Traffic Control instruction for a pilot to leave the runway quickly after landing.

• ATC told us to expedite vacate runway 27.
• After landing, the pilot received the 'expedite vacate' instruction.

To turn a propeller's blades edge-on to the airflow so that a stopped engine causes less drag.

• After the engine failed, the pilot had to feather the prop quickly.
• If you feather the prop, the drag from the dead engine drops sharply.

To submit a flight plan for instrument flight rules.

• We will file IFR to avoid weather.
• File IFR if you plan to fly in clouds.

To submit a flight plan for visual flight rules.

• File VFR when weather is good.
• They decided to file VFR.